Android检测网络信号强弱(android检测网络差)

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转载自： view plaincopy<LinearLayout xmlns:android=" xmlns:tools=" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context=".MainActivity" > <!-- <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="@android:color/white" /> --> <TextView android:id="@&#;id/textView1" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:textColor="@android:color/black" android:textSize="sp" /> </LinearLayout>

AndroidMenifest.xml中，加入两行，作用：获取权限

[html] view plaincopy<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/> <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"/>

最后是MainActivity.java中的程序：[java] view plaincopypackage com.example.wifistrength; import java.util.List; import android.net.wifi.ScanResult; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.view.Menu; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends Activity { TextView tv; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); String wserviceName = Context.WIFI_SERVICE; WifiManager wm = (WifiManager) getSystemService(wserviceName); WifiInfo info = wm.getConnectionInfo(); int strength = info.getRssi(); int speed = info.getLinkSpeed(); String units = WifiInfo.LINK_SPEED_UNITS; String ssid = info.getSSID(); tv = (TextView) findViewById(R.id.textView1); List<ScanResult> results = wm.getScanResults(); String otherwifi = "The existing network is: nn"; for (ScanResult result : results) { otherwifi &#;= result.SSID &#; ":" &#; result.level &#; "n"; } String text = "We are connecting to " &#; ssid &#; " at " &#; String.valueOf(speed) &#; " " &#; String.valueOf(units) &#; ". Strength : " &#; strength; otherwifi &#;= "nn"; otherwifi &#;= text; tv.setText(otherwifi); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } } 结果图：

Unity3D如何导入网上下载的unityPackage 导入Unity3D的unityPackage包你把下载来的包放到你Unity的安装目录：EditorStandardPackages里面，即可。另外从assetstore下载的包，放在了：C:UsersAdministratorAppDat

Unity3D之各个平台的path 转载自：

Unity3D之NGUI的优化 转载自：